fix(player): handle MPV seek rounding to prevent intro skip loops

[Cd16d]

This commit adjusts the seek logic when skipping segments to prevent a potential infinite loop when the MPV player is used. Since MPV uses seconds for seeking, the endTicks value is now rounded up to the next second to ensure the player moves past the skip trigger point.

fix #1123

[Copilot]

Pull request overview

This PR fixes an infinite loop bug in the MPV player where auto-skip intro functionality would repeatedly trigger when skipping segments. The issue occurred because MPV uses second-precision for seeking, causing the player to round down millisecond values and remain within the segment boundary, triggering the skip action repeatedly.

Changes:

• Modified the skipSegment function to round up the seek position to the next second boundary when using the MPV player
• This ensures MPV always seeks past the segment end, preventing the infinite loop

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[Copilot]

Consider extracting the rounding base value (1000L) as a named constant to improve code maintainability. For example, define a constant like MILLIS_PER_SECOND = 1000L at the class level to make the intent clearer and allow for easier updates if needed.